How to Repair Permissions on macOS Sierra

Since the release of OS X EL Capitan, Apple removed the option to repair file permissions as they don’t need it because of the introduction of System Integrity Protection but there are some alternative ways to repair permissions on macOS Sierra

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Proper permissions are required for every file in macOS to function properly, without chmod 755 & chown root:wheel Kexts will not work in macOS

For your reference:
chmod 755 (you allow everyone to read and execute the file, and the file owner is allowed to write to the file as well)
chown root:wheel (root is a superuser and wheel is a group of super users)

Before starting any process below you must Disable System Integrity Protection but if you have never disabled System Integrity Protection then you don’t need to repair permissions at all.
Here are some ways to repair permissions on macOS Sierra

alternatively, you can use the repair_packages binary package and repair permissions with the following commands

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Open Terminal and type or copy paste the following commands after installing repair_packages binary (Permissions will be auto repaired when you install this package so you don’t need to rerun the following commands manually unless you need to)

To Verify your Disk

sudo repair_packages --verify --standard-pkgs /

To repair permissions

sudo repair_packages --repair --standard-pkgs --volume /

RepairPermissionsAlternative method to repair permissions on macOS Sierra
A mac dev Fire Wolf, developed binary to repair permissions on On macOS Sierra which uses all of your processor threads and works faster

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